Ein and Zwei go on a mission to assassinate a mob boss. In flashback, Zwei wakes up in a room, with no memory of who he is or how he got there. As he begins to explore, he is confronted by Ein, who has been sent by Inferno to attempt to kill him so that they can gauge his abilities. Also, Claudia decides to view this exercise because she doesn't trust Scythe Master.
Zwei awakens and finds out from Ein that he has two choices: he can either join Inferno or die. While training with Ein, Zwei learns that he must shut off his emotions, but he wonders whether he has what it takes to kill. Later, Ein goes on a mission.
Ein and Zwei are assigned to kill a Dallas mob boss named Don Lucio. Together they scout out the mall where Lucio will be shopping, and they wait for the right moment to move in for the kill. Also, Zwei worries that he is merely a slave being used by Inferno, and Ein worries that, by watching Zwei, she will see what she has become.
Wanting his company, Claudia summons Zwei to her home. There, she gives him his next mission: to monitor the wife and child of Tony Stone, a principled mob boss who won't give up his territory to Inferno. While Zwei carries out his mission, Claudia meets with Stone in a final attempt to reason with him.
Claudia talks to Scythe Master about doing a clandestine mission to impress the leaders of Inferno. Behind Scythe Master's back, Claudia recruits the Godo family to be involved with the job in return for their backing. Scythe Master warns Ein not to let Claudia steal Zwei away from them. In flashback, Zwei is seen running from Ein after he witnesses her kill the reporter. Ein and Zwei talk about the nature of dreams and their own place in the world.
Wanting Zwei to follow her of his own free will, Claudia gives him back his past and gives him the choice to either return to it or to be by her side as she moves up the ladder within Inferno. Ein unwittingly helps Claudia make it appear that Scythe Master is a traitor by falling into her trap and assaulting Inferno's team during the drug trade.
Claudia basks in her success as Inferno plans to search for Ein and Zwei, who are now on the run; Ein tries to convince Zwei that it isn't worth it to protect her, and that he should go home and let her return to Scythe Master. Zwei tries to convince Ein that she is more than just Scythe Master's puppet and that she has a reason to live.
Flashbacks of previous episodes are shown as Zwei recovers from his wounds; Claudia thinks about her rise to the top and Lizzie apologizes for not being there for her during that time; Inferno plans to take over the east coast.
Two years have passed since Ein and Zwei escaped their murderous masters, but it only takes one bullet to shatter the illusion of freedom. An old friend arrives with a reminder: nobody ever really gets away.
Zwei and Ein engage Scythe's squad of faceless assassins, but the first Phantom's true target is the man she called master. With a life of freedom on the line, Ein takes aim - and Eren squeezes the trigger.